oj.uz

Submission #89396

# Submission time Handle Problem Language Result Execution time Memory
89396 2018-12-13T08:23:28 Z nicksona Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 31312 KB 
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;
int n,m;
int t;
bool OK=true;
int M=0;
vector <int> v[400001];
int mas[400001];
int fix[400001],nmas[1000001];
void go (int u,int col){
	if (!OK) return ;
	fix[u]=col;
	for (int i=0;i<v[u].size();i++){
		int node=v[u][i];
		if (fix[node]==col){
			OK=false;
			return ;
		}
		
		if (!OK) return ;	
		if (fix[node]==0) go(node,col);
	}
}
inline bool check (int sz){
	
	for (int i=0;i<=sz;i++){
		if (i+n<=sz){
			v[i].pb(i+n);
		}
		if (i+m<=sz){
			v[i+m].pb(i);
		}
	}
	
	OK=true;
	for (int i=0;i<=sz;i++){
		if (fix[i]==0){
			go(i,i+1);
		}	
	}
	
	for (int i=0;i<=sz;i++){
		fix[i]=0;
		v[i].clear();
	}
	
	return OK;
}
void top_sort (int u){
	fix[u]=1;
	for (int i=0;i<v[u].size();i++){
		int node=v[u][i];
		if (fix[node]==0) top_sort(node);
	}
	mas[u]=++M;
}
inline void solve (int sz){
	
	for (int i=0;i<=sz;i++){
		if (i+n<=sz){
			v[i].pb(i+n);
		}
		if (i+m<=sz){
			v[i+m].pb(i);
		}
	}
	
	OK=true;
	for (int i=0;i<=sz;i++){
		if (fix[i]==0){
			top_sort(i);
		}	
	}
	
	
	for (int i=0;i<=sz;i++){
		nmas[i]=mas[i]-mas[i-1];
	}
	
	for (int i=0;i<=sz;i++){
		fix[i]=0;
		v[i].clear();
	}
}
main () {
	ios::sync_with_stdio(false);
	cin>>t;
	while (t--){
		cin>>n>>m;
		int b=0,e=n+m,mid,ans=0;
		while (b<=e){
			mid= b + e >> 1;
			if (check(mid)){
				ans=mid;
				b=mid+1;
			}
			else{
				e=mid-1;
			}
		}
		M=0;
		if (ans>0) solve(ans);
		cout<<ans<<endl;
		for (int i=1;i<=ans;i++){
			cout<<nmas[i]<<" ";
		}
		cout<<endl;
	}
	return 0;
}
/*
1
2 4
  _   _   _          _
 | \ | | (_)        | |
 |  \| |  _    ___  | | __  ___    ___    _ __     __ _
 | . ` | | |  / __| | |/ / / __|  / _ \  | '_ \   / _` |
 | |\  | | | | (__  |   <  \__ \ | (_) | | | | | | (_| |
 |_| \_| |_|  \___| |_|\_\ |___/  \___/  |_| |_|  \__,_|
 
*/

Compilation message

sequence.cpp: In function 'void go(int, int)':
sequence.cpp:15:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0;i<v[u].size();i++){
               ~^~~~~~~~~~~~
sequence.cpp: In function 'void top_sort(int)':
sequence.cpp:53:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0;i<v[u].size();i++){
               ~^~~~~~~~~~~~
sequence.cpp: At global scope:
sequence.cpp:87:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
sequence.cpp: In function 'int main()':
sequence.cpp:94:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    mid= b + e >> 1;
         ~~^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9844 KB Ok
3 Correct 10 ms 9900 KB Ok
4 Correct 9 ms 9900 KB Ok
5 Correct 10 ms 9900 KB Ok
6 Correct 10 ms 9900 KB Ok
7 Correct 9 ms 9900 KB Ok
8 Correct 10 ms 9900 KB Ok
9 Correct 10 ms 9932 KB Ok
10 Correct 9 ms 9932 KB Ok
11 Correct 10 ms 9992 KB Ok
12 Correct 12 ms 9992 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9992 KB Ok
2 Correct 10 ms 9992 KB Ok
3 Correct 9 ms 9992 KB Ok
4 Correct 11 ms 9992 KB Ok
5 Correct 9 ms 9992 KB Ok
6 Correct 15 ms 10180 KB Ok
7 Correct 37 ms 10936 KB Ok
8 Correct 23 ms 10936 KB Ok
9 Correct 42 ms 11108 KB Ok
10 Correct 30 ms 11108 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 11108 KB Ok
2 Correct 11 ms 11108 KB Ok
3 Correct 11 ms 11108 KB Ok
4 Correct 11 ms 11108 KB Ok
5 Correct 11 ms 11108 KB Ok
6 Correct 11 ms 11108 KB Ok
7 Correct 11 ms 11108 KB Ok
8 Correct 11 ms 11108 KB Ok
9 Correct 11 ms 11108 KB Ok
10 Correct 10 ms 11108 KB Ok
11 Correct 11 ms 11108 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11108 KB Ok
2 Correct 11 ms 11108 KB Ok
3 Correct 10 ms 11108 KB Ok
4 Correct 10 ms 11108 KB Ok
5 Correct 11 ms 11108 KB Ok
6 Correct 413 ms 25316 KB Ok
7 Correct 361 ms 26792 KB Ok
8 Correct 704 ms 29828 KB Ok
9 Correct 484 ms 29828 KB Ok
10 Correct 270 ms 29828 KB Ok
11 Correct 432 ms 29828 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9844 KB Ok
3 Correct 10 ms 9900 KB Ok
4 Correct 9 ms 9900 KB Ok
5 Correct 10 ms 9900 KB Ok
6 Correct 10 ms 9900 KB Ok
7 Correct 9 ms 9900 KB Ok
8 Correct 10 ms 9900 KB Ok
9 Correct 10 ms 9932 KB Ok
10 Correct 9 ms 9932 KB Ok
11 Correct 10 ms 9992 KB Ok
12 Correct 12 ms 9992 KB Ok
13 Correct 9 ms 11108 KB Ok
14 Correct 11 ms 11108 KB Ok
15 Correct 11 ms 11108 KB Ok
16 Correct 11 ms 11108 KB Ok
17 Correct 11 ms 11108 KB Ok
18 Correct 11 ms 11108 KB Ok
19 Correct 11 ms 11108 KB Ok
20 Correct 11 ms 11108 KB Ok
21 Correct 11 ms 11108 KB Ok
22 Correct 10 ms 11108 KB Ok
23 Correct 11 ms 11108 KB Ok
24 Correct 16 ms 29828 KB Ok
25 Correct 15 ms 29828 KB Ok
26 Correct 15 ms 29828 KB Ok
27 Correct 17 ms 29828 KB Ok
28 Correct 14 ms 29828 KB Ok
29 Correct 14 ms 29828 KB Ok
30 Correct 14 ms 29828 KB Ok
31 Correct 14 ms 29828 KB Ok
32 Correct 14 ms 29828 KB Ok
33 Correct 13 ms 29828 KB Ok
34 Correct 23 ms 29828 KB Ok
35 Correct 24 ms 29828 KB Ok
36 Correct 24 ms 29828 KB Ok
37 Correct 24 ms 29828 KB Ok
38 Correct 24 ms 29828 KB Ok
39 Correct 23 ms 29828 KB Ok
40 Correct 25 ms 29828 KB Ok
41 Correct 23 ms 29828 KB Ok
42 Correct 25 ms 29828 KB Ok
43 Correct 24 ms 29828 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9844 KB Ok
3 Correct 10 ms 9900 KB Ok
4 Correct 9 ms 9900 KB Ok
5 Correct 10 ms 9900 KB Ok
6 Correct 10 ms 9900 KB Ok
7 Correct 9 ms 9900 KB Ok
8 Correct 10 ms 9900 KB Ok
9 Correct 10 ms 9932 KB Ok
10 Correct 9 ms 9932 KB Ok
11 Correct 10 ms 9992 KB Ok
12 Correct 12 ms 9992 KB Ok
13 Correct 9 ms 9992 KB Ok
14 Correct 10 ms 9992 KB Ok
15 Correct 9 ms 9992 KB Ok
16 Correct 11 ms 9992 KB Ok
17 Correct 9 ms 9992 KB Ok
18 Correct 15 ms 10180 KB Ok
19 Correct 37 ms 10936 KB Ok
20 Correct 23 ms 10936 KB Ok
21 Correct 42 ms 11108 KB Ok
22 Correct 30 ms 11108 KB Ok
23 Correct 9 ms 11108 KB Ok
24 Correct 11 ms 11108 KB Ok
25 Correct 11 ms 11108 KB Ok
26 Correct 11 ms 11108 KB Ok
27 Correct 11 ms 11108 KB Ok
28 Correct 11 ms 11108 KB Ok
29 Correct 11 ms 11108 KB Ok
30 Correct 11 ms 11108 KB Ok
31 Correct 11 ms 11108 KB Ok
32 Correct 10 ms 11108 KB Ok
33 Correct 11 ms 11108 KB Ok
34 Correct 16 ms 29828 KB Ok
35 Correct 15 ms 29828 KB Ok
36 Correct 15 ms 29828 KB Ok
37 Correct 17 ms 29828 KB Ok
38 Correct 14 ms 29828 KB Ok
39 Correct 14 ms 29828 KB Ok
40 Correct 14 ms 29828 KB Ok
41 Correct 14 ms 29828 KB Ok
42 Correct 14 ms 29828 KB Ok
43 Correct 13 ms 29828 KB Ok
44 Correct 23 ms 29828 KB Ok
45 Correct 24 ms 29828 KB Ok
46 Correct 24 ms 29828 KB Ok
47 Correct 24 ms 29828 KB Ok
48 Correct 24 ms 29828 KB Ok
49 Correct 23 ms 29828 KB Ok
50 Correct 25 ms 29828 KB Ok
51 Correct 23 ms 29828 KB Ok
52 Correct 25 ms 29828 KB Ok
53 Correct 24 ms 29828 KB Ok
54 Correct 338 ms 29828 KB Ok
55 Correct 382 ms 29828 KB Ok
56 Correct 398 ms 29828 KB Ok
57 Correct 230 ms 29828 KB Ok
58 Correct 278 ms 29828 KB Ok
59 Correct 224 ms 29828 KB Ok
60 Correct 207 ms 29828 KB Ok
61 Correct 215 ms 29828 KB Ok
62 Correct 294 ms 29828 KB Ok
63 Correct 263 ms 29828 KB Ok
64 Correct 349 ms 29828 KB Ok
65 Correct 269 ms 29828 KB Ok
66 Correct 251 ms 29828 KB Ok
67 Correct 245 ms 29828 KB Ok
68 Correct 262 ms 29828 KB Ok
69 Correct 1010 ms 29828 KB Ok
70 Correct 1149 ms 29828 KB Ok
71 Correct 927 ms 29828 KB Ok
72 Correct 931 ms 29828 KB Ok
73 Correct 930 ms 29828 KB Ok
74 Correct 763 ms 29828 KB Ok
75 Correct 861 ms 29828 KB Ok
76 Correct 1143 ms 29828 KB Ok
77 Correct 799 ms 29828 KB Ok
78 Correct 1016 ms 29828 KB Ok
79 Correct 1035 ms 29828 KB Ok
80 Correct 929 ms 29828 KB Ok
81 Correct 982 ms 29828 KB Ok
82 Correct 789 ms 29828 KB Ok
83 Correct 784 ms 29828 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Ok
2 Correct 9 ms 9844 KB Ok
3 Correct 10 ms 9900 KB Ok
4 Correct 9 ms 9900 KB Ok
5 Correct 10 ms 9900 KB Ok
6 Correct 10 ms 9900 KB Ok
7 Correct 9 ms 9900 KB Ok
8 Correct 10 ms 9900 KB Ok
9 Correct 10 ms 9932 KB Ok
10 Correct 9 ms 9932 KB Ok
11 Correct 10 ms 9992 KB Ok
12 Correct 12 ms 9992 KB Ok
13 Correct 9 ms 9992 KB Ok
14 Correct 10 ms 9992 KB Ok
15 Correct 9 ms 9992 KB Ok
16 Correct 11 ms 9992 KB Ok
17 Correct 9 ms 9992 KB Ok
18 Correct 15 ms 10180 KB Ok
19 Correct 37 ms 10936 KB Ok
20 Correct 23 ms 10936 KB Ok
21 Correct 42 ms 11108 KB Ok
22 Correct 30 ms 11108 KB Ok
23 Correct 9 ms 11108 KB Ok
24 Correct 11 ms 11108 KB Ok
25 Correct 11 ms 11108 KB Ok
26 Correct 11 ms 11108 KB Ok
27 Correct 11 ms 11108 KB Ok
28 Correct 11 ms 11108 KB Ok
29 Correct 11 ms 11108 KB Ok
30 Correct 11 ms 11108 KB Ok
31 Correct 11 ms 11108 KB Ok
32 Correct 10 ms 11108 KB Ok
33 Correct 11 ms 11108 KB Ok
34 Correct 10 ms 11108 KB Ok
35 Correct 11 ms 11108 KB Ok
36 Correct 10 ms 11108 KB Ok
37 Correct 10 ms 11108 KB Ok
38 Correct 11 ms 11108 KB Ok
39 Correct 413 ms 25316 KB Ok
40 Correct 361 ms 26792 KB Ok
41 Correct 704 ms 29828 KB Ok
42 Correct 484 ms 29828 KB Ok
43 Correct 270 ms 29828 KB Ok
44 Correct 432 ms 29828 KB Ok
45 Correct 16 ms 29828 KB Ok
46 Correct 15 ms 29828 KB Ok
47 Correct 15 ms 29828 KB Ok
48 Correct 17 ms 29828 KB Ok
49 Correct 14 ms 29828 KB Ok
50 Correct 14 ms 29828 KB Ok
51 Correct 14 ms 29828 KB Ok
52 Correct 14 ms 29828 KB Ok
53 Correct 14 ms 29828 KB Ok
54 Correct 13 ms 29828 KB Ok
55 Correct 23 ms 29828 KB Ok
56 Correct 24 ms 29828 KB Ok
57 Correct 24 ms 29828 KB Ok
58 Correct 24 ms 29828 KB Ok
59 Correct 24 ms 29828 KB Ok
60 Correct 23 ms 29828 KB Ok
61 Correct 25 ms 29828 KB Ok
62 Correct 23 ms 29828 KB Ok
63 Correct 25 ms 29828 KB Ok
64 Correct 24 ms 29828 KB Ok
65 Correct 338 ms 29828 KB Ok
66 Correct 382 ms 29828 KB Ok
67 Correct 398 ms 29828 KB Ok
68 Correct 230 ms 29828 KB Ok
69 Correct 278 ms 29828 KB Ok
70 Correct 224 ms 29828 KB Ok
71 Correct 207 ms 29828 KB Ok
72 Correct 215 ms 29828 KB Ok
73 Correct 294 ms 29828 KB Ok
74 Correct 263 ms 29828 KB Ok
75 Correct 349 ms 29828 KB Ok
76 Correct 269 ms 29828 KB Ok
77 Correct 251 ms 29828 KB Ok
78 Correct 245 ms 29828 KB Ok
79 Correct 262 ms 29828 KB Ok
80 Correct 1010 ms 29828 KB Ok
81 Correct 1149 ms 29828 KB Ok
82 Correct 927 ms 29828 KB Ok
83 Correct 931 ms 29828 KB Ok
84 Correct 930 ms 29828 KB Ok
85 Correct 763 ms 29828 KB Ok
86 Correct 861 ms 29828 KB Ok
87 Correct 1143 ms 29828 KB Ok
88 Correct 799 ms 29828 KB Ok
89 Correct 1016 ms 29828 KB Ok
90 Correct 1035 ms 29828 KB Ok
91 Correct 929 ms 29828 KB Ok
92 Correct 982 ms 29828 KB Ok
93 Correct 789 ms 29828 KB Ok
94 Correct 784 ms 29828 KB Ok
95 Correct 918 ms 29828 KB Ok
96 Correct 1331 ms 31312 KB Ok
97 Correct 1414 ms 31312 KB Ok
98 Correct 835 ms 31312 KB Ok
99 Correct 1066 ms 31312 KB Ok
100 Correct 1329 ms 31312 KB Ok
101 Correct 1393 ms 31312 KB Ok
102 Correct 1394 ms 31312 KB Ok
103 Correct 1075 ms 31312 KB Ok
104 Execution timed out 2017 ms 31312 KB Time limit exceeded
105 Halted 0 ms 0 KB -